Hoogland John L, Biggins Dean E, Blackford Nathaniel, Eads David A, Long Dustin, Rodriguez Mariana Rivera, Ross Lauren M, Tobey Sarah, White Emma M
1 Appalachian Laboratory, University of Maryland Center for Environmental Science, 301 Braddock Road, Frostburg, Maryland 21532, USA.
2 US Geological Survey, Fort Collins Science Center, 2150 Centre Avenue, Building C, Fort Collins, Colorado 80526, USA.
J Wildl Dis. 2018 Apr;54(2):347-351. doi: 10.7589/2017-04-089. Epub 2017 Dec 29.
At Valles Caldera National Preserve in New Mexico, US, infusing Gunnison's prairie dog ( Cynomys gunnisoni) burrows with an insecticide dust containing 0.05% deltamethrin killed fleas which transmit bubonic plague. The reduction in the number of fleas per prairie dog was significant and dramatic immediately after infusions, with a suggestion that the reduction persisted for as long as 12 mo. Despite the lower flea counts, however, a plague epizootic killed >95% of prairie dogs after 3 yr of infusions (once per year). More research is necessary for a better understanding of the efficacy of insecticide dusts at lowering flea counts and protecting prairie dogs from plague.
在美国新墨西哥州的瓦莱斯卡尔德拉国家保护区，向甘尼森草原犬鼠（Cynomys gunnisoni）的洞穴中注入含有0.05%溴氰菊酯的杀虫粉剂，可杀死传播腺鼠疫的跳蚤。注入后，每只草原犬鼠身上跳蚤数量的减少立即显著且明显，有迹象表明这种减少持续了长达12个月。然而，尽管跳蚤数量减少了，但在每年注入一次、持续3年后，一场鼠疫 epizootic 杀死了超过95%的草原犬鼠。为了更好地了解杀虫粉剂在降低跳蚤数量和保护草原犬鼠免受鼠疫侵害方面的功效，还需要进行更多研究。
